Columns button does not work on mobile browsers

Steps to repeat:

Open iOS Simulator

Navigate to:

https://jbaysolutions.github.io/vue2-bootstrap-table/examples/01-basic.html

Try columns button

I've tried using touchstart in addition to click on the Columns button, but that doesn't seem to fix it. Anybody else have a fix for this?

Reproduce the issue in the iOS Simulator using the 01-basic.html example at the linked GitHub Pages URL, then inspect the Columns button behavior in the Vue2 table component. The work is done when the Columns button can be opened and used successfully in a mobile browser.

Written by the indexing model from the issue text.